1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
Check items to add to the cart or select all. 1  ResMed ClimateLine â¢ Heated CPAP Tubing for the S9 â¢ CPAP Machine Regular Price: $51.00. 2  ResMed S9 â¢ Series CPAP Machines Disposable Hypoallergenic Filters Regular Price: $9.00. 3  ResMed S9 â¢ H5i â¢ Dishwasher Safe Water Chamber Regular Price: $36.95.